Subj : Re: g++ & Boost.threads
To   : comp.programming.threads
From : Ulrich Eckhardt
Date : Sun Sep 25 2005 09:38 pm

g wrote:
> g++ tennis.cpp -otennis -I/usr/local/include/boost-1_33 -Lusr/local/lib

You should always specify '-Wall' on the commandline to get useful
warnings.

> the output is...
> undefined reference to 'boost::thread::thread(boost::.....)
> +++many messages like this...

Yes, you tell your compiler where to find the Boost headers (which is
enough for big parts of it) but not where to find the installed libraries
(which are needed for Boost.Threads).

> how I link the library to my executeble????

By telling your compiler which library you want to link and where to find
it, just like any other library, too. Did you btw read the instructions,
in particular the point 'getting started'? If anything there is unclear,
say so and say exactly what is unclear.

Just one more note: the linker error has nothing to do with threads even if
you are trying to linking a threading-related lib. It is rather a general
C++ problem you are having.

Uli

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